{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:G2FE7GRLUBWGN2D5DDMCRAIHEY","short_pith_number":"pith:G2FE7GRL","canonical_record":{"source":{"id":"hep-ph/0501189","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2005-01-20T13:36:41Z","cross_cats_sorted":["hep-ex","nucl-ex"],"title_canon_sha256":"8fb2bbea8703b507b54954556f7c049dcabce4760e5a76966be3ce9c6a0be617","abstract_canon_sha256":"0999c77dabfd0e27bcd8d152cf19ffea42712d03de8150cb7aca470d5017579f"},"schema_version":"1.0"},"canonical_sha256":"368a4f9a2ba06c66e87d18d82881072636c525d639503803767e8e4f381aa0c0","source":{"kind":"arxiv","id":"hep-ph/0501189","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0501189","created_at":"2026-07-04T17:24:38Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0501189v2","created_at":"2026-07-04T17:24:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0501189","created_at":"2026-07-04T17:24:38Z"},{"alias_kind":"pith_short_12","alias_value":"G2FE7GRLUBWG","created_at":"2026-07-04T17:24:38Z"},{"alias_kind":"pith_short_16","alias_value":"G2FE7GRLUBWGN2D5","created_at":"2026-07-04T17:24:38Z"},{"alias_kind":"pith_short_8","alias_value":"G2FE7GRL","created_at":"2026-07-04T17:24:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:G2FE7GRLUBWGN2D5DDMCRAIHEY","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0501189","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2005-01-20T13:36:41Z","cross_cats_sorted":["hep-ex","nucl-ex"],"title_canon_sha256":"8fb2bbea8703b507b54954556f7c049dcabce4760e5a76966be3ce9c6a0be617","abstract_canon_sha256":"0999c77dabfd0e27bcd8d152cf19ffea42712d03de8150cb7aca470d5017579f"},"schema_version":"1.0"},"canonical_sha256":"368a4f9a2ba06c66e87d18d82881072636c525d639503803767e8e4f381aa0c0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:24:38.806302Z","signature_b64":"j46SBAOZG+SOjxrSwavlZfmrSv7mh0hIYMlfg//WahzE+QVo/huilgcjWM7BaeJchX5kyVYew/rFOzBmqUTtAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"368a4f9a2ba06c66e87d18d82881072636c525d639503803767e8e4f381aa0c0","last_reissued_at":"2026-07-04T17:24:38.805943Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:24:38.805943Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0501189","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:24:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2c75QM9hFi2Z5z+IlIa5uzQihdBrDJlN/s6F0ukHwjMAfdSemiPaNAbn7JznwiUwyDIgY2a0dnxBuXBaCW2iBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:04:10.547007Z"},"content_sha256":"a10bce6ed424a924756ac8644e9e486d5eade9df324b745ec53b94c91a2c613d","schema_version":"1.0","event_id":"sha256:a10bce6ed424a924756ac8644e9e486d5eade9df324b745ec53b94c91a2c613d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:G2FE7GRLUBWGN2D5DDMCRAIHEY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New tests for experiments producing pentaquarks","license":"","headline":"","cross_cats":["hep-ex","nucl-ex"],"primary_cat":"hep-ph","authors_text":"Harry J. Lipkin, Marek Karliner","submitted_at":"2005-01-20T13:36:41Z","abstract_excerpt":"The distribution of the squared momentum difference |P_A|^2 - |P_B|^2 between the momenta in the laboratory system of two experimentally observed particles A and B provides a test for whether an observed mass peak indicates a real resonance rather than nonresonant background or kinematic reflection. The angular distribution of the relative momenta in the center-of-mass system exhibits a forward-backward symmetry in the production and decay of any resonance with a definite parity. This symmetry is not expected in other nonresonant processes and can be expressed without needing angular distribut"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0501189","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/0501189/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:24:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4971TnWR/vmkO+1kpYPV6iGobXVnNZ+CBBJS+5Q3Uwa8OP1PIYotz9YwGlgudN03h3NvWFN8g6SjAEhQ4dxCDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:04:10.547607Z"},"content_sha256":"635fbcb54cc99222ad4414e69938b5be61c3afc27f137baf7b8188cc71750896","schema_version":"1.0","event_id":"sha256:635fbcb54cc99222ad4414e69938b5be61c3afc27f137baf7b8188cc71750896"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G2FE7GRLUBWGN2D5DDMCRAIHEY/bundle.json","state_url":"https://pith.science/pith/G2FE7GRLUBWGN2D5DDMCRAIHEY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G2FE7GRLUBWGN2D5DDMCRAIHEY/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-04T14:04:10Z","links":{"resolver":"https://pith.science/pith/G2FE7GRLUBWGN2D5DDMCRAIHEY","bundle":"https://pith.science/pith/G2FE7GRLUBWGN2D5DDMCRAIHEY/bundle.json","state":"https://pith.science/pith/G2FE7GRLUBWGN2D5DDMCRAIHEY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G2FE7GRLUBWGN2D5DDMCRAIHEY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:G2FE7GRLUBWGN2D5DDMCRAIHEY","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"0999c77dabfd0e27bcd8d152cf19ffea42712d03de8150cb7aca470d5017579f","cross_cats_sorted":["hep-ex","nucl-ex"],"license":"","primary_cat":"hep-ph","submitted_at":"2005-01-20T13:36:41Z","title_canon_sha256":"8fb2bbea8703b507b54954556f7c049dcabce4760e5a76966be3ce9c6a0be617"},"schema_version":"1.0","source":{"id":"hep-ph/0501189","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0501189","created_at":"2026-07-04T17:24:38Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0501189v2","created_at":"2026-07-04T17:24:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0501189","created_at":"2026-07-04T17:24:38Z"},{"alias_kind":"pith_short_12","alias_value":"G2FE7GRLUBWG","created_at":"2026-07-04T17:24:38Z"},{"alias_kind":"pith_short_16","alias_value":"G2FE7GRLUBWGN2D5","created_at":"2026-07-04T17:24:38Z"},{"alias_kind":"pith_short_8","alias_value":"G2FE7GRL","created_at":"2026-07-04T17:24:38Z"}],"graph_snapshots":[{"event_id":"sha256:635fbcb54cc99222ad4414e69938b5be61c3afc27f137baf7b8188cc71750896","target":"graph","created_at":"2026-07-04T17:24:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-ph/0501189/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The distribution of the squared momentum difference |P_A|^2 - |P_B|^2 between the momenta in the laboratory system of two experimentally observed particles A and B provides a test for whether an observed mass peak indicates a real resonance rather than nonresonant background or kinematic reflection. The angular distribution of the relative momenta in the center-of-mass system exhibits a forward-backward symmetry in the production and decay of any resonance with a definite parity. This symmetry is not expected in other nonresonant processes and can be expressed without needing angular distribut","authors_text":"Harry J. Lipkin, Marek Karliner","cross_cats":["hep-ex","nucl-ex"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2005-01-20T13:36:41Z","title":"New tests for experiments producing pentaquarks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0501189","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a10bce6ed424a924756ac8644e9e486d5eade9df324b745ec53b94c91a2c613d","target":"record","created_at":"2026-07-04T17:24:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"0999c77dabfd0e27bcd8d152cf19ffea42712d03de8150cb7aca470d5017579f","cross_cats_sorted":["hep-ex","nucl-ex"],"license":"","primary_cat":"hep-ph","submitted_at":"2005-01-20T13:36:41Z","title_canon_sha256":"8fb2bbea8703b507b54954556f7c049dcabce4760e5a76966be3ce9c6a0be617"},"schema_version":"1.0","source":{"id":"hep-ph/0501189","kind":"arxiv","version":2}},"canonical_sha256":"368a4f9a2ba06c66e87d18d82881072636c525d639503803767e8e4f381aa0c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"368a4f9a2ba06c66e87d18d82881072636c525d639503803767e8e4f381aa0c0","first_computed_at":"2026-07-04T17:24:38.805943Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:24:38.805943Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j46SBAOZG+SOjxrSwavlZfmrSv7mh0hIYMlfg//WahzE+QVo/huilgcjWM7BaeJchX5kyVYew/rFOzBmqUTtAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:24:38.806302Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0501189","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a10bce6ed424a924756ac8644e9e486d5eade9df324b745ec53b94c91a2c613d","sha256:635fbcb54cc99222ad4414e69938b5be61c3afc27f137baf7b8188cc71750896"],"state_sha256":"f2e655827def08c4e222e673139ffd093efabdca06236b0a98fb9bdef3002793"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TICWOgEmHQZ0JoOOIKPbTujlCqapBVJrXp4tdE9dF3ZXLy2Cnxo392eREGMjUzl+otKsZ2cvxVFxakhHjgvxBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T14:04:10.552500Z","bundle_sha256":"e065e3eb6658888cf7f527f77744680ffacc0310a2b3860f4a4d593368a750f8"}}